Use the fundamental identities to find the value of the trigonometric function.Find tan ?, given that sec ? = 
and ? is in quadrant IV.
A. - 
B. - 
C. - 
D. - 
Answer: A
Mathematics
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Add or subtract as indicated.(5x2 - xy - y2) + (x2 + 11xy + 8y2)
A. 5x2 + 11xy + 8y2 B. 6x2 + 12xy + 9y2 C. 4x2 - 12xy - 9y2 D. 6x2 + 10xy + 7y2
Mathematics
Multiply the expressions.(9y + x2)(9y - x2)
A. 81y2 - x2 B. 81y2 - x4 C. 18y2 - x4 D. 81y4 - x4
Mathematics
Determine which two functions are inverses of each other.f(x) = 
g(x) = 
h(x) = x2
A. f(x) and h(x) B. g(x) and h(x) C. f(x) and g(x) D. None
Mathematics
Assume that the two points P(1,5) and Q(-2,3) are given. What is the slope of the line perpendicular to the line through P and Q?
What will be an ideal response?
Mathematics